36... a8e8 Black's plan now is to play f7-f5, leading to an inevitable draw. 37. f4f5 [%c_effect f5;square;f5;type;Interesting;persistent;true] The only winning attempt. 37... e6f5  38. e3f4  38... f5c2 The endgame becomes tactical, an area in which the two players usually shine.